File indexing completed on 2025-02-02 04:11:06 

0001 /*
0002  * SPDX-FileCopyrightText: 2019-2023 Mattia Basaglia <dev@dragon.best>
0003  *
0004  * SPDX-License-Identifier: GPL-3.0-or-later
0005  */
0006 
0007 #include "inflate_deflate.hpp"
0008 
0009 GLAXNIMATE_OBJECT_IMPL(glaxnimate::model::InflateDeflate)
0010 
0011 QIcon glaxnimate::model::InflateDeflate::static_tree_icon()
0012 {
0013     return QIcon::fromTheme("zoom-draw");
0014 }
0015 
0016 QString glaxnimate::model::InflateDeflate::static_type_name_human()
0017 {
0018     return i18n("Inflate and Deflate");
0019 }
0020 
0021 bool glaxnimate::model::InflateDeflate::process_collected() const
0022 {
0023     return false;
0024 }
0025 
0026 glaxnimate::math::bezier::MultiBezier glaxnimate::model::InflateDeflate::process(glaxnimate::model::FrameTime t, const math::bezier::MultiBezier& mbez) const
0027 {
0028     if ( mbez.empty() )
0029         return {};
0030 
0031     auto amount = this->amount.get_at(t);
0032 
0033     if ( amount == 0 )
0034         return mbez;
0035 
0036     QPointF center;
0037     qreal count = 0;
0038     for ( const auto& bez : mbez.beziers() )
0039     {
0040         for ( const auto& point : bez )
0041         {
0042             center += point.pos;
0043         }
0044         count += bez.size();
0045     }
0046     if ( count == 0 )
0047         return mbez;
0048 
0049     center /= count;
0050 
0051     math::bezier::MultiBezier out;
0052 
0053     for ( const auto& in_bez : mbez.beziers() )
0054     {
0055         math::bezier::Bezier out_bez;
0056         for ( const auto& point : in_bez )
0057         {
0058             out_bez.points().push_back(math::bezier::Point(
0059                 math::lerp(point.pos, center, amount),
0060                 math::lerp(point.tan_in, center, -amount),
0061                 math::lerp(point.tan_out, center, -amount)
0062             ));
0063         }
0064         if ( in_bez.closed() )
0065             out_bez.close();
0066 
0067         out.beziers().push_back(out_bez);
0068     }
0069 
0070     return out;
0071 }